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xsa273
2013 Nov 04
0
Xen Security Advisory 73 (CVE-2013-4494) - Lock order reversal between page allocation and grant table locks
...u guest, or
by controlling more than one guest.
MITIGATION
==========
There is no practical mitigation for this issue.
CREDITS
=======
This issue was discovered by Coverity Scan and diagnosed by Andrew
Cooper.
RESOLUTION
==========
Applying the appropriate attached patch resolves this issue.
xsa73-4.3-unstable.patch Xen 4.3.x, xen-unstable
xsa73-4.2.patch Xen 4.2.x
xsa73-4.1.patch Xen 4.1.x
$ sha256sum xsa73*.patch
519eb1d2815c41d73c775324f43d1a7d75615775194bd0f6584147b45d04250b xsa73-4.1.patch
9eab1db170dc13bdd4da76bc2184399f705d124acd14b364428f012ea5c3a281 xsa...